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【单选题】
关于社会主义革命可以在一国或数国首先胜利理论的主要根据是:A.
无产阶级政党的成熟程度
B.
资本主义经济政治发展的不平衡
C.
民族解放运动的空前高涨
D.
无产阶级和资产阶级斗争的尖锐化
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【判断题】The main vasoactive metabolites of coronary are adrenosine, lactate, and hypoxia.
A.
正确
B.
错误
【单选题】The renal pelvis is the
A.
capillaries that filter the blood
B.
upper part of the ureter
C.
minor calyx
D.
renal capsule
【单选题】the structure of maintaining the high osmolarity in the renal medulla is
A.
vasa recta
B.
proximal tubule
C.
distal convuluted tubule
D.
Henle's loop
E.
collect duct
【单选题】What are the functions of secondary metabolites?
A.
Used to attract animals to pollinate the plant and to disperse its seeds
B.
Protecting the plant from herbivores such as insects
C.
Used to derive medicine
D.
All of the above
【简答题】How does the author explain the unidirectional flow of metabolites?
【单选题】the structure of maintaining the high osmolarity in the renal medulla is
A.
proximal tubule
B.
distal convuluted tubule
C.
Henle's loop
D.
vasa recta
E.
collect duct
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